/*************************************************************************** * * * LinuxSampler - modular, streaming capable sampler * * * * Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * * Copyright (C) 2005 - 2009 Christian Schoenebeck * * Copyright (C) 2009 Grigor Iliev * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the Free Software * * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * * MA 02111-1307 USA * ***************************************************************************/ #include "../../common/Features.h" #include "Synthesizer.h" #include "Profiler.h" #include "Engine.h" #include "EngineChannel.h" #include "Voice.h" namespace LinuxSampler { namespace gig { Voice::Voice() { pEngine = NULL; } Voice::~Voice() { } EngineChannel* Voice::GetGigEngineChannel() { return static_cast(pEngineChannel); } void Voice::SetEngine(LinuxSampler::Engine* pEngine) { Engine* engine = static_cast(pEngine); this->pEngine = engine; this->pDiskThread = engine->pDiskThread; dmsg(6,("Voice::SetEngine()\n")); } Voice::SampleInfo Voice::GetSampleInfo() { SampleInfo si; si.SampleRate = pSample->SamplesPerSecond; si.ChannelCount = pSample->Channels; si.FrameSize = pSample->FrameSize; si.BitDepth = pSample->BitDepth; si.TotalFrameCount = pSample->SamplesTotal; si.HasLoops = pRegion->SampleLoops; si.LoopStart = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart : 0; si.LoopLength = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopLength : 0; si.LoopPlayCount = pSample->LoopPlayCount; si.Unpitched = !pRegion->PitchTrack; return si; } Voice::RegionInfo Voice::GetRegionInfo() { RegionInfo ri; ri.UnityNote = pRegion->UnityNote; ri.FineTune = pRegion->FineTune; ri.Pan = pRegion->Pan; ri.SampleStartOffset = pRegion->SampleStartOffset; ri.EG1PreAttack = pRegion->EG1PreAttack; ri.EG1Attack = pRegion->EG1Attack; ri.EG1Hold = pRegion->EG1Hold; ri.EG1Decay1 = pRegion->EG1Decay1; ri.EG1Decay2 = pRegion->EG1Decay2; ri.EG1Sustain = pRegion->EG1Sustain; ri.EG1InfiniteSustain = pRegion->EG1InfiniteSustain; ri.EG1Release = pRegion->EG1Release; ri.EG2PreAttack = pRegion->EG2PreAttack; ri.EG2Attack = pRegion->EG2Attack; ri.EG2Decay1 = pRegion->EG2Decay1; ri.EG2Decay2 = pRegion->EG2Decay2; ri.EG2Sustain = pRegion->EG2Sustain; ri.EG2InfiniteSustain = pRegion->EG2InfiniteSustain; ri.EG2Release = pRegion->EG2Release; ri.EG3Attack = pRegion->EG3Attack; ri.EG3Depth = pRegion->EG3Depth; ri.VCFEnabled = pRegion->VCFEnabled; ri.VCFType = pRegion->VCFType; ri.VCFResonance = pRegion->VCFResonance; ri.ReleaseTriggerDecay = pRegion->ReleaseTriggerDecay; return ri; } Voice::InstrumentInfo Voice::GetInstrumentInfo() { InstrumentInfo ii; ii.FineTune = GetGigEngineChannel()->pInstrument->FineTune; ii.PitchbendRange = GetGigEngineChannel()->pInstrument->PitchbendRange; return ii; } double Voice::GetSampleAttenuation() { return pRegion->SampleAttenuation; } double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) { return pRegion->GetVelocityAttenuation(MIDIKeyVelocity); } double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) { return pRegion->GetVelocityRelease(MIDIKeyVelocity); } void Voice::ProcessCCEvent(RTList::Iterator& itEvent) { if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange && itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) { CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]); } } } void Voice::ProcessCutoffEvent(RTList::Iterator& itEvent) { int ccvalue = itEvent->Param.CC.Value; if (VCFCutoffCtrl.value == ccvalue) return; VCFCutoffCtrl.value == ccvalue; if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue; if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale; float cutoff = CutoffBase * float(ccvalue); if (cutoff > 127.0f) cutoff = 127.0f; VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time fFinalCutoff = cutoff; } double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) { float crossfadeVolume; switch (pRegion->AttenuationController.type) { case ::gig::attenuation_ctrl_t::type_channelaftertouch: crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])]; break; case ::gig::attenuation_ctrl_t::type_velocity: crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)]; break; case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])]; break; case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined default: crossfadeVolume = 1.0f; } return crossfadeVolume; } double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) { double eg1controllervalue = 0; switch (pRegion->EG1Controller.type) { case ::gig::eg1_ctrl_t::type_none: // no controller defined eg1controllervalue = 0; break; case ::gig::eg1_ctrl_t::type_channelaftertouch: eg1controllervalue = GetGigEngineChannel()->ControllerTable[128]; break; case ::gig::eg1_ctrl_t::type_velocity: eg1controllervalue = MIDIKeyVelocity; break; case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller eg1controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number]; break; } if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue; return eg1controllervalue; } Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) { EGInfo eg; // (eg1attack is different from the others) eg.Attack = (pRegion->EG1ControllerAttackInfluence) ? 1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ? 1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0; eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0; eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0; return eg; } double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) { double eg2controllervalue = 0; switch (pRegion->EG2Controller.type) { case ::gig::eg2_ctrl_t::type_none: // no controller defined eg2controllervalue = 0; break; case ::gig::eg2_ctrl_t::type_channelaftertouch: eg2controllervalue = GetGigEngineChannel()->ControllerTable[128]; break; case ::gig::eg2_ctrl_t::type_velocity: eg2controllervalue = MIDIKeyVelocity; break; case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller eg2controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number]; break; } if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue; return eg2controllervalue; } Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) { EGInfo eg; eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0; eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0; eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0; return eg; } void Voice::InitLFO1() { uint16_t lfo1_internal_depth; switch (pRegion->LFO1Controller) { case ::gig::lfo1_ctrl_internal: lfo1_internal_depth = pRegion->LFO1InternalDepth; pLFO1->ExtController = 0; // no external controller bLFO1Enabled = (lfo1_internal_depth > 0); break; case ::gig::lfo1_ctrl_modwheel: lfo1_internal_depth = 0; pLFO1->ExtController = 1; // MIDI controller 1 bLFO1Enabled = (pRegion->LFO1ControlDepth > 0); break; case ::gig::lfo1_ctrl_breath: lfo1_internal_depth = 0; pLFO1->ExtController = 2; // MIDI controller 2 bLFO1Enabled = (pRegion->LFO1ControlDepth > 0); break; case ::gig::lfo1_ctrl_internal_modwheel: lfo1_internal_depth = pRegion->LFO1InternalDepth; pLFO1->ExtController = 1; // MIDI controller 1 bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0); break; case ::gig::lfo1_ctrl_internal_breath: lfo1_internal_depth = pRegion->LFO1InternalDepth; pLFO1->ExtController = 2; // MIDI controller 2 bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0); break; default: lfo1_internal_depth = 0; pLFO1->ExtController = 0; // no external controller bLFO1Enabled = false; } if (bLFO1Enabled) { pLFO1->trigger(pRegion->LFO1Frequency, start_level_min, lfo1_internal_depth, pRegion->LFO1ControlDepth, pRegion->LFO1FlipPhase, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); pLFO1->update(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0); } } void Voice::InitLFO2() { uint16_t lfo2_internal_depth; switch (pRegion->LFO2Controller) { case ::gig::lfo2_ctrl_internal: lfo2_internal_depth = pRegion->LFO2InternalDepth; pLFO2->ExtController = 0; // no external controller bLFO2Enabled = (lfo2_internal_depth > 0); break; case ::gig::lfo2_ctrl_modwheel: lfo2_internal_depth = 0; pLFO2->ExtController = 1; // MIDI controller 1 bLFO2Enabled = (pRegion->LFO2ControlDepth > 0); break; case ::gig::lfo2_ctrl_foot: lfo2_internal_depth = 0; pLFO2->ExtController = 4; // MIDI controller 4 bLFO2Enabled = (pRegion->LFO2ControlDepth > 0); break; case ::gig::lfo2_ctrl_internal_modwheel: lfo2_internal_depth = pRegion->LFO2InternalDepth; pLFO2->ExtController = 1; // MIDI controller 1 bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0); break; case ::gig::lfo2_ctrl_internal_foot: lfo2_internal_depth = pRegion->LFO2InternalDepth; pLFO2->ExtController = 4; // MIDI controller 4 bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0); break; default: lfo2_internal_depth = 0; pLFO2->ExtController = 0; // no external controller bLFO2Enabled = false; } if (bLFO2Enabled) { pLFO2->trigger(pRegion->LFO2Frequency, start_level_max, lfo2_internal_depth, pRegion->LFO2ControlDepth, pRegion->LFO2FlipPhase, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); pLFO2->update(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0); } } void Voice::InitLFO3() { uint16_t lfo3_internal_depth; switch (pRegion->LFO3Controller) { case ::gig::lfo3_ctrl_internal: lfo3_internal_depth = pRegion->LFO3InternalDepth; pLFO3->ExtController = 0; // no external controller bLFO3Enabled = (lfo3_internal_depth > 0); break; case ::gig::lfo3_ctrl_modwheel: lfo3_internal_depth = 0; pLFO3->ExtController = 1; // MIDI controller 1 bLFO3Enabled = (pRegion->LFO3ControlDepth > 0); break; case ::gig::lfo3_ctrl_aftertouch: lfo3_internal_depth = 0; pLFO3->ExtController = 128; bLFO3Enabled = true; break; case ::gig::lfo3_ctrl_internal_modwheel: lfo3_internal_depth = pRegion->LFO3InternalDepth; pLFO3->ExtController = 1; // MIDI controller 1 bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0); break; case ::gig::lfo3_ctrl_internal_aftertouch: lfo3_internal_depth = pRegion->LFO3InternalDepth; pLFO1->ExtController = 128; bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0); break; default: lfo3_internal_depth = 0; pLFO3->ExtController = 0; // no external controller bLFO3Enabled = false; } if (bLFO3Enabled) { pLFO3->trigger(pRegion->LFO3Frequency, start_level_mid, lfo3_internal_depth, pRegion->LFO3ControlDepth, false, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); pLFO3->update(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0); } } float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) { float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity); if (pRegion->VCFKeyboardTracking) { cutoff *= exp((MIDIKeyVelocity - pRegion->VCFKeyboardTrackingBreakpoint) * 0.057762265f); // (ln(2) / 12) } return cutoff; } float Voice::CalculateFinalCutoff(float cutoffBase) { int cvalue; if (VCFCutoffCtrl.controller) { cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller]; if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue; // VCFVelocityScale in this case means Minimum cutoff if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale; } else { cvalue = pRegion->VCFCutoff; } float fco = cutoffBase * float(cvalue); if (fco > 127.0f) fco = 127.0f; return fco; } uint8_t Voice::GetVCFCutoffCtrl() { uint8_t ctrl; switch (pRegion->VCFCutoffController) { case ::gig::vcf_cutoff_ctrl_modwheel: ctrl = 1; break; case ::gig::vcf_cutoff_ctrl_effect1: ctrl = 12; break; case ::gig::vcf_cutoff_ctrl_effect2: ctrl = 13; break; case ::gig::vcf_cutoff_ctrl_breath: ctrl = 2; break; case ::gig::vcf_cutoff_ctrl_foot: ctrl = 4; break; case ::gig::vcf_cutoff_ctrl_sustainpedal: ctrl = 64; break; case ::gig::vcf_cutoff_ctrl_softpedal: ctrl = 67; break; case ::gig::vcf_cutoff_ctrl_genpurpose7: ctrl = 82; break; case ::gig::vcf_cutoff_ctrl_genpurpose8: ctrl = 83; break; case ::gig::vcf_cutoff_ctrl_aftertouch: ctrl = 128; break; case ::gig::vcf_cutoff_ctrl_none: default: ctrl = 0; break; } return ctrl; } uint8_t Voice::GetVCFResonanceCtrl() { uint8_t ctrl; switch (pRegion->VCFResonanceController) { case ::gig::vcf_res_ctrl_genpurpose3: ctrl = 18; break; case ::gig::vcf_res_ctrl_genpurpose4: ctrl = 19; break; case ::gig::vcf_res_ctrl_genpurpose5: ctrl = 80; break; case ::gig::vcf_res_ctrl_genpurpose6: ctrl = 81; break; case ::gig::vcf_res_ctrl_none: default: ctrl = 0; } return ctrl; } }} // namespace LinuxSampler::gig